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    • 8. 发明专利
    • Oil path switching valve
    • 油路开关阀
    • JP2013217424A
    • 2013-10-24
    • JP2012087259
    • 2012-04-06
    • Kubota Corp株式会社クボタ
    • ARAI YASUHIKOICHIKAWA TOSHINORISAKATA TOKIO
    • F16K27/00F16K11/08F16K27/04F16K35/00
    • F15B21/008E02F9/2267F16K11/0853Y10T137/86718
    • PROBLEM TO BE SOLVED: To clearly and reliably switch alternative communication from a first opening on one side surface to a second opening and a third opening that are formed on the other side surface.SOLUTION: A first opening K1 is formed on one side surface of a valve body 2. A second opening K2 and a third opening K3 are formed on the other side surface of the valve body. A valve element 4 is freely rotatably provided in a valve hole 3 of the valve body 2. A communication oil path 4A is formed in the valve element 4 so as to alternatively connect the first opening K1 with the second opening K2 or the third opening K3. The valve body 2 includes: a first oil path Y1 for connecting the valve hole 3 with the first opening K1; a second oil path Y2 for connecting the valve hole 3 with the second opening K2; and a third oil path Y3 for connecting the valve hole 3 with the third opening K3, which are shifted by 120 degrees from the first oil path Y1.
    • 要解决的问题:清楚可靠地将替代通信从一个侧表面上的第一开口切换到形成在另一侧表面上的第二开口和第三开口。解决方案:第一开口K1形成在 在阀体的另一侧表面上形成有第二开口K2和第三开口K3。 阀元件4可自由旋转地设置在阀体2的阀孔3中。连通油路4A形成在阀元件4中,以便将第一开口K1与第二开口K2或第三开口K3 。 阀体2包括:用于将阀孔3与第一开口K1连接的第一油路Y1; 用于将阀孔3与第二开口K2连接的第二油路Y2; 以及第三油路Y3,用于将阀孔3与第一开口K3连接,第三开口K3从第一油路Y1偏移120度。